Keysight (Agilent) Technologies U1251B Multimeters, Data Acquisition, Counters


True RMS 50000 count handheld DMM

True RMS 50000 Count Handheld DMM
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The Agilent U1251B 4.5-digit handheld digital multimeter (DMM) is feature-packed to simplify the troubleshooting of electronics and electrical circuits on the bench or in the field. Key capabilities include manual and automated data logging to both DMM and PC. For those long, continuous measurements, the DMM equips you with the easy-to-use GUI data-logging software to automate virtually unlimited data recordings to PC. With the versatile U1251B, you are well equipped to perform thorough troubleshooting of any faulty circuit.

The U1250 Series is a winner of multiple industry awards, including the EDN Hot 100 Award and Best Value Portable Test Equipment in 2006. The series was also a finalist for T&M’s Best in Test General-Purpose Instruments category in 2009. The U1253B model is the winner for EC&M’s Product of the Year Portable T&M Equipment category in 2009.

HH awards

Download the Agilent Handheld Tools Brochure

View showcase of the all-new orange handhelds.

For the United States and Canada, while stocks last:

NEW! For a limited time only: Get four handheld DMM skins FREE with the U1251B. Watch the demo.

Get cool freebies! Express Your Handheld Style: FREE Thematic Wallpapers

Note: All handheld skins for Europe, Asia (except Japan) and South America have been distributed and therefore the promotion no longer applies to the affected countries.

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MET/CAL® procedures for the product is available at Cal Lab Solutions, a third-party independent vendor.

Key Specification

Redefining feature-rich portability

  • 50,000 counts resolution on dual display
  • 0.03 asic DC voltage accuracy
  • True RMS AC measurement
  • Data logging to DMM (up to 200 points) and to PC (software comes bundled with DMM, U1173A cable is required for connection to PC’s USB port)

Certified for safe use

  • CAT III 1000V and CAT IV 600V overvoltage protection
  • Certified to CE and CSA

U1251B OPTIONS (61)
R-50C-011-3 Calibration Assurance Plan - Return to Keysight - 3 years
R-50C-011-5 Calibration Assurance Plan - Return to Keysight - 5 years
R-51B-001-5F Warranty Assurance Plan - Return to Keysight - 5 years
U1115A Bluetooth class 1 (100meter) remote logging display
U1115A-AB0 Taiwan- Traditional Chinese operating instruction
U1115A-AB1 Korea - Korean operating instruction
U1115A-AB2 China - Simplified Chinese operating instruction
U1115A-ABA English operating instruction
U1115A-ABD Germany - German operating instruction
U1115A-ABE Spain - Spanish operating instruction
U1115A-ABF France - French operating instruction
U1115A-ABJ Japan - Japanese operating instruction
U1115A-ABP Portugal - Portugese operating instruction
U1115A-ABZ Italy - Italian operating instruction
U1115A-AKT Russia - Russian operating instruction
U1117A Infrared (IR)-to-Bluetooth class 1 (100meter) adapter with Mfi
U1117A-AB0 Taiwan- Traditional Chinese operating instruction
U1117A-AB1 Korea - Korean operating instruction
U1117A-AB2 China - Simplified Chinese operating instruction
U1117A-ABA English operating instruction
U1117A-ABD Germany - German operating instruction
U1117A-ABE Spain - Spanish operating instruction
U1117A-ABF France - French operating instruction
U1117A-ABJ Japan - Japanese operating instruction
U1117A-ABP Portugal - Portugese operating instruction
U1117A-ABZ Italy - Italian operating instruction
U1117A-AKT Russia - Russian operating instruction
U1118A Remote connectivity kit (100meter) with U1115A and U1117A
U1161A Test lead kit, extended
U1162A Alligator clip
U1163A Grabbers, SMT
U1164A Test probes, fine tip
U1168B Test lead kit
U1169A Test Probe Leads (with 19-mm tips and 4-mm tips)
U1171A Magnetic hanging kit
U1172A Transit case for handheld DMM, aluminum-clad
U1173B IR-USB cable, all U1200 series handheld multimeter
U1174A Carrying case, soft
U1176A LED flash light
U1177A Infrared (IR)-to-Bluetooth class 2 (10meter) adapter
U1177A-AB0 Taiwan- Traditional Chinese operating instruction
U1177A-AB1 Korea - Korean operating instruction
U1177A-AB2 China - Simplified Chinese operating instruction
U1177A-ABA English operating instruction
U1177A-ABD Germany - German operating instruction
U1177A-ABE Spain - Spanish operating instruction
U1177A-ABF France - French operating instruction
U1177A-ABJ Japan - Japanese operating instruction
U1177A-ABP Portugal - Portugese operating instruction
U1177A-ABZ Italy - Italian operating instruction
U1181A Immersion probe type K
U1182A Surface probe, industrial
U1183A Probe, air
U1184A Adaptor, temperature probe
U1186A Thermocouple (K-type, 1m) and adapter
U1187A Thermocouple (K-type, 3.5m) and adapter
U1251B-ABA English language quick start guide, printed
U1251B-MQG Multi-lingual quick start guide JPN, POR, ITA, T/S CHN, KOR, GER, SPA and FRE
U1251B-SK2 Skins - Handheld DMM
U1251B-UK6 Commercial calibration certificate with test data
U1583B AC current clamp

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